JP2020506837A - 自動車線変更中の横方向位置偏差の低減 - Google Patents
自動車線変更中の横方向位置偏差の低減 Download PDFInfo
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Abstract
Description
現代の車両は、例えばアダプティブ・クルーズ・コントロール、車線変更アシスタンス、衝突回避システム、セルフパーキングなどの様々な自動運転機能を有する。完全な自動運転が目標であるが、まだ達成されていない。
実施の形態は、元の車線と目標車線との間の道路勾配の変化による自動車線変更中の横方向位置偏差を低減するための技術を提供する。道路勾配は、車線変更を行う車両に横方向の力を加える。車線変更中の特定の軌道を維持するために、車両ステアリング又は軌道制御システムによって補償力が加えられてもよく、これにより、車線変更中の軌道を維持し、目標車線内の所望の位置を維持する。任意の道路の車線間の勾配は、隣接する車線間で実質的に異なることがある。その結果、軌道を維持するために、異なる大きさ及び方向の補償力が必要とされることがある。自動車線変更中、目標車線内の位置からの望ましくない偏差を防止するために、車両軌道制御システムは、補償力の変化に適応することがある。
あらゆる実施の形態が詳細に説明される前に、この開示は、以下の説明に示された又は以下の図面に例示された構造の詳細及び構成部材の配列にその適用が限定されることは意図されていないことが理解されるべきである。実施の形態は、他の構成が可能であり、様々な形式により行う又は実施することができる。
Claims (20)
- 自律運転車両を操作する方法であって、
センサによって路面の特徴を検出し、
前記特徴に基づいて、電子プロセッサにおいて目標車線の道路勾配を特定し、前記目標車線は、前記自律運転車両による車線変更操縦の目標とされる車線であり、
前記道路勾配に基づき横方向補償力を決定し、
前記車線変更操縦の間に前記電子プロセッサによって前記横方向補償力を適用する、
ことを含む、自律運転車両を操作する方法。 - 前記横方向補償力を決定することは、前記自律運転車両における、前記道路勾配による横方向の力を予測することを含み、前記横方向の力は、前記車線変更操縦の間に生じる、請求項1に記載の方法。
- 前記道路勾配による前記横方向の力を予測することは、前記自律運転車両の所定の特性に基づく、請求項2に記載の方法。
- 前記道路勾配による前記横方向の力を予測することは、前記車線変更操縦の計画された軌道に基づく、請求項2に記載の方法。
- 前記横方向補償力を決定することは、前記道路勾配による前記横方向の力と等しくかつ反対方向の前記横方向補償力を設定することを含む、請求項2に記載の方法。
- 前記横方向補償力を決定することは、前記自律運転車両の所望の横方向加速を達成するために前記横方向補償力を設定することを含む、請求項1に記載の方法。
- 前記車線変更操縦の間に前記電子プロセッサによって前記横方向補償力を適用することは、少なくとも部分的に前記自律運転車両の前記所望の横方向加速を達成することに基づく前記車線変更操縦のための軌道を計画することを含む、請求項6に記載の方法。
- 前記路面の前記特徴を検出することは、ステレオカメラを使用して前記路面の一部の輪郭を検出することを含み、前記目標車線の前記道路勾配を特定することは、前記路面の前記一部の前記輪郭に基づき前記道路勾配を特定することを含む、請求項1に記載の方法。
- 前記路面の前記特徴を検出することは、ライダセンサを使用して前記路面の一部の輪郭を検出することを含み、前記目標車線の前記道路勾配を特定することは、前記路面の前記一部の前記輪郭に基づき前記道路勾配を特定することを含む、請求項1に記載の方法。
- 前記路面の前記特徴を検出することは、前記センサによって生成された画像における車線マーカを検出することを含み、前記目標車線の前記道路勾配を特定することは、前記画像における検出された車線マーカの間の距離を特定し、前記画像における検出された前記車線マーカの間の距離と、道路マーカの間の実際の距離の既知の値とに基づき前記道路勾配を特定することを含む、請求項1に記載の方法。
- 自律運転車両の車線変更制御システムであって、
センサと、
前記センサに通信可能に接続された電子プロセッサと、を備え、前記電子プロセッサは、
前記センサによって路面の特徴を検出し、
前記特徴に基づき目標車線の道路勾配を特定し、前記目標車線は、前記自律運転車両による車線変更操縦の目標とされる車線であり、
前記道路勾配に基づき横方向補償力を決定し、
前記車線変更操縦の間に前記横方向補償力を適用する
ように構成されている、自律運転車両の車線変更制御システム。 - 前記電子プロセッサは、さらに、前記自律運転車両における、前記道路勾配による横方向の力を予測するように構成されており、前記横方向の力は、前記車線変更操縦の間に生じる、請求項11に記載の車線変更制御システム。
- 前記電子プロセッサは、さらに、前記自律運転車両の所定の特性に基づき、前記道路勾配による前記横方向の力を予測するように構成されている、請求項12に記載の車線変更制御システム。
- 前記電子プロセッサは、さらに、前記車線変更操縦の計画された軌道に基づき、前記道路勾配による前記横方向の力を予測するように構成されている、請求項12に記載の車線変更制御システム。
- 前記電子プロセッサは、さらに、前記道路勾配による前記横方向の力と等しくかつ反対方向の前記横方向補償力を設定するように構成されている、請求項12に記載の車線変更制御システム。
- 前記電子プロセッサは、さらに、前記自律運転車両の所望の横方向加速を達成するために前記横方向補償力を設定するように構成されている、請求項11に記載の車線変更制御システム。
- 前記電子プロセッサは、さらに、少なくとも部分的に前記自律運転車両の前記所望の横方向加速を達成することに基づく前記車線変更操縦のための軌道を計画するように構成されている、請求項16に記載の車線変更制御システム。
- 前記電子プロセッサは、さらに、ステレオカメラを使用して前記路面の一部の輪郭を検出し、前記路面の前記一部の前記輪郭に基づき前記道路勾配を特定するように構成されている、請求項11に記載の車線変更制御システム。
- 前記電子プロセッサは、さらに、ライダセンサを使用して前記路面の一部の輪郭を検出し、前記路面の前記一部の前記輪郭に基づき前記道路勾配を特定するように構成されている、請求項11に記載の車線変更制御システム。
- 前記電子プロセッサは、さらに、前記センサによって生成された画像における車線マーカを検出し、前記画像における検出された前記車線マーカの間の距離を特定し、前記画像における検出された前記車線マーカの間の距離と、道路マーカの間の実際の距離の既知の値とに基づき前記道路勾配を特定するように構成されている、請求項11に記載の車線変更制御システム。
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Application Number | Priority Date | Filing Date | Title |
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US15/398222 | 2017-01-04 | ||
US15/398,222 US10150474B2 (en) | 2017-01-04 | 2017-01-04 | Reducing lateral position deviation during an automated lane change |
PCT/EP2017/084155 WO2018127430A1 (en) | 2017-01-04 | 2017-12-21 | Reducing lateral position deviation during an automated lane change |
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JP2020506837A true JP2020506837A (ja) | 2020-03-05 |
JP6926210B2 JP6926210B2 (ja) | 2021-08-25 |
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US (1) | US10150474B2 (ja) |
EP (1) | EP3566220B1 (ja) |
JP (1) | JP6926210B2 (ja) |
CN (1) | CN110114254B (ja) |
WO (1) | WO2018127430A1 (ja) |
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EP3566220B1 (en) | 2021-12-01 |
US10150474B2 (en) | 2018-12-11 |
WO2018127430A1 (en) | 2018-07-12 |
EP3566220A1 (en) | 2019-11-13 |
US20180186371A1 (en) | 2018-07-05 |
JP6926210B2 (ja) | 2021-08-25 |
CN110114254A (zh) | 2019-08-09 |
CN110114254B (zh) | 2022-04-29 |
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